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Bedrock Jan 1 - 7 25 questions
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Monday 28 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄5 + 1⁄5

    Answer: 4⁄5
  2. 2. Algebra

    Factorise: 12x + 10

    Answer: 2(6x + 5)
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 7.cm. Find the angle

    Answer: 45° (approximately)
  4. 4. Ratio

    Simplify the ratio 20:24

    Answer: 5:6
  5. 5. Statistics

    Find the range of: 12, 28, 41, 36, 27

    Answer: 29

Tuesday 29 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 48 + 29

    Answer: 48 + 29 = 77
  2. 2. Algebra

    Expand: 5(x + 5)

    Answer: 5x + 25
  3. 3. Geometry

    Opposite = 13cm, hypotenuse = 18.4cm. Find the angle

    Answer: 45° (approximately)
  4. 4. Ratio

    Simplify the ratio 35:25

    Answer: 7:5
  5. 5. Statistics

    Find the mean of: 2, 12, 15, 14

    Answer: 10.75

Wednesday 30 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 17 + 27

    Answer: 17 + 27 = 44
  2. 2. Algebra

    Simplify: 9x + 8x

    Answer: 17x
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 7.cm. Find the angle

    Answer: 45° (approximately)
  4. 4. Ratio

    Simplify the ratio 25:40

    Answer: 5:8
  5. 5. Statistics

    Find the mean of: 18, 16, 8

    Answer: 14

Thursday 1 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 33 + 84

    Answer: 33 + 84 = 117
  2. 2. Algebra

    Find the next term: 7, 14, 21, 28, ...

    Answer: 35
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 16cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Simplify the ratio 20:16

    Answer: 5:4
  5. 5. Statistics

    Find the mean of: 2, 12, 16, 12, 11

    Answer: 10.6

Friday 2 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: -10 + 9

    Answer: -1
  2. 2. Algebra

    Factorise: 12x + 20

    Answer: 4(3x + 5)
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 20cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Simplify the ratio 8:12

    Answer: 2:3
  5. 5. Statistics

    What is the probability of rolling a 6 on a fair die?

    Answer: 1⁄6